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91192 (1998 SA58)
Classification: Main-belt Asteroid          SPK-ID: 2091192
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1448218913414935 4.5508e-08  
a 3.181872493540598 2.8136e-08 au
q 2.721067701018574 1.5288e-07 au
i 17.33463833698466 8.0404e-06 deg
node 16.55682112945163 1.3291e-05 deg
peri 285.6744337687327 3.0707e-05 deg
M 343.7717832051212 2.8318e-05 deg
tp 2459093.952491706397
(2020-Sep-01.45249171)
0.00016325 TDB
period 2073.111139661364
5.68
2.7498e-05
7.529e-08
d
yr
n .1736520503472886 2.3033e-09 deg/d
Q 3.642677286062621 3.2211e-08 au
  Orbit Determination Parameters
   # obs. used (total)      865  
   data-arc span      7908 days (21.65 yr)  
   first obs. used      1998-08-28  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55599  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:38:18  

Additional Information
 Earth MOID = 1.77046 au 
 Jupiter MOID = 1.88277 au 
 T_jup = 3.113 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.8   n/a MPO359380  
diameter diameter 12.203 km 1.290 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.047   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

91192 (1998 SA58)          Discovered 1998-Sep-17 by LONEOS at Anderson Mesa
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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